2011 SD Rear Leaf Pack
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Laughing Gas
Joined: Mar 2009
Posts: 843
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From: Jessup, PA
2011 SD Rear Leaf Pack
Did anyone notice that Ford has played around with the rear leaf springs on the new 2011 SD?
My local dealer has 2011 F 250 supercabs and crewcabs on the lot. The supercabs have a 9,400 lb GVWR with 3 leafs in the rear with a heavy bottom overload spring and the crewcabs have a 9,600 lb GVWR with 2 leafs in the rear with the bottom overload spring.
Even though the 9,600 lb GVWR has only 2 leafs they seem to be thicker than the 9,400 lb GVWR 3 leaf pac.
My local dealer has 2011 F 250 supercabs and crewcabs on the lot. The supercabs have a 9,400 lb GVWR with 3 leafs in the rear with a heavy bottom overload spring and the crewcabs have a 9,600 lb GVWR with 2 leafs in the rear with the bottom overload spring.
Even though the 9,600 lb GVWR has only 2 leafs they seem to be thicker than the 9,400 lb GVWR 3 leaf pac.
Super Moderator
Joined: Aug 2003
Posts: 25,479
Likes: 738
From: Isanti, MN
Wow, this is weird. 
Bucci's right, the rear springs are a different configuration in the F250s. Take a look:
Here are the specs for the F250 springs for 2008:
And 2011:
Notice both with and without the auxiliary spring they are short a leaf! The spring rating is identical per stage on those with the aux spring, but without the first stage is softer and the second stage is firmer.
I imagine they did it to make for a smoother unloaded ride. Now I'm jealous!
Bucci's right, the rear springs are a different configuration in the F250s. Take a look:
Here are the specs for the F250 springs for 2008:
And 2011:
Notice both with and without the auxiliary spring they are short a leaf! The spring rating is identical per stage on those with the aux spring, but without the first stage is softer and the second stage is firmer.
I imagine they did it to make for a smoother unloaded ride. Now I'm jealous!
More Turbo
Joined: Feb 2006
Posts: 538
Likes: 11
From: Shiner, TX
I, too, have noticed the rear leaf pack is different on the 2011 trucks.
But I'll throw this in there for extra confusion, haha
My 2009 F250 5.4L has just a 4 leaf pack whereas it seems diesel F250s (08-10) have 5 leaf packs.
Anyway, back on topic now, I think I'm also jealous of the softer ride while unloaded!
But I'll throw this in there for extra confusion, haha
My 2009 F250 5.4L has just a 4 leaf pack whereas it seems diesel F250s (08-10) have 5 leaf packs.
Anyway, back on topic now, I think I'm also jealous of the softer ride while unloaded!
Cargo Master
Joined: Nov 2004
Posts: 2,751
Likes: 3
From: So Oregon
Really? That seems like a weird set up?
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Jbart1968
1967 - 1972 F-100 & Larger F-Series Trucks
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